Home / 20,489.07-30,733.51-6,450.29

Finding the Fourth Proportional to 20,489.07, 30,733.51 and 6,450.29

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Solution

The fourth proportional to 20,489.07, 30,733.51 and 6,450.29 is: 9,675.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,489.07 : 30,733.51 = 6,450.29 : x
  2. Step 2: Convert to fraction form
    20,489.07/30,733.51 = 6,450.29/x
  3. Step 3: Cross multiply
    20,489.07x = 30,733.51 × 6,450.29
  4. Step 4: Simplify right side
    20,489.07x = 198,240,052.22
  5. Step 5: Solve for x
    x = 198,240,052.22/20,489.07
  6. Step 6: Final answer
    x = 9,675.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.